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	* remote/read_handler: pool input to Marshal() Use a sync.Pool to reuse byte slices between calls to Marshal() in the remote read handler. Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@vinted.com> * remote: add microbenchmark for remote read handler Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@vinted.com> Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@vinted.com>
		
			
				
	
	
		
			35 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2020 The Prometheus Authors
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| //
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| // http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| 
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| package prompb
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| 
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| import (
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| 	"sync"
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| )
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| 
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| func (m Sample) T() int64   { return m.Timestamp }
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| func (m Sample) V() float64 { return m.Value }
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| 
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| func (r *ChunkedReadResponse) PooledMarshal(p *sync.Pool) ([]byte, error) {
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| 	size := r.Size()
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| 	data, ok := p.Get().(*[]byte)
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| 	if ok && cap(*data) >= size {
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| 		n, err := r.MarshalToSizedBuffer((*data)[:size])
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| 		if err != nil {
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| 			return nil, err
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| 		}
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| 		return (*data)[:n], nil
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| 	}
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| 	return r.Marshal()
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| }
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